Abstract: An analog-to-digital conversion device and analog-to-digital conversion method thereof are provided. The analog-to-digital conversion device includes an analog circuit configured to output an analog input signal, and an analog-to-digital converter configured to receive the analog input signal and configured to outputting a digital output signal corresponding to the analog input signal with the use of first and second capacitor arrays, each of the first and second capacitor arrays including a first capacitor having a calibration capacitor connected thereto and a second capacitor having no calibration capacitor connected thereto, wherein the analog-to-digital converter is configured to calibrate the capacitance of the first capacitor by providing a first calibration voltage to the calibration capacitor and is configured to output the digital output signal corresponding to the analog input signal with the use of the calibrated capacitance of the first capacitor.

Abstract: An analog-to-digital conversion device and analog-to-digital conversion method thereof are provided. The analog-to-digital conversion device includes an analog circuit configured to output an analog input signal, and an analog-to-digital converter configured to receive the analog input signal and configured to outputting a digital output signal corresponding to the analog input signal with the use of first and second capacitor arrays, each of the first and second capacitor arrays including a first capacitor having a calibration capacitor connected thereto and a second capacitor having no calibration capacitor connected thereto, wherein the analog-to-digital converter is configured to calibrate the capacitance of the first capacitor by providing a first calibration voltage to the calibration capacitor and is configured to output the digital output signal corresponding to the analog input signal with the use of the calibrated capacitance of the first capacitor.

Abstract: Disclosed is a device for sensing touch. The device for sensing touch includes: a plurality of electrodes; and a sensing circuit connected with the plurality of electrodes by a plurality of output channels, which is provided so as to correspond to the plurality of electrodes, respectively, and configured to sense a variation of capacitance of the plurality of electrodes from the plurality of output channels, in which the sensing circuit simultaneously senses output data output from a first output channel, a second output channel, a third output channel, and a fourth output channel among the plurality of output channels, the second output channel is adjacent to the first output channel, and the fourth output channel is adjacent to the third output channel, and the first to fourth output channels are connected to an input terminal of a comparing unit including a first input node and a second input node.

Abstract: Disclosed is a device for sensing touch. The device for sensing touch includes: a plurality of electrodes; and a sensing circuit connected with the plurality of electrodes by a plurality of output channels, which is provided so as to correspond to the plurality of electrodes, respectively, and configured to sense a variation of capacitance of the plurality of electrodes from the plurality of output channels, in which the sensing circuit simultaneously senses output data output from a first output channel, a second output channel, a third output channel, and a fourth output channel among the plurality of output channels, the second output channel is adjacent to the first output channel, and the fourth output channel is adjacent to the third output channel, and the first to fourth output channels are connected to an input terminal of a comparing unit including a first input node and a second input node.

Abstract: A clamp circuit and method, which are capable of increasing the dynamic range of an input image signal and minimizing line noise, are provided. A clamp circuit includes a first clamp unit, a variable gain amplifier, a second clamp unit and a clamp controller. The first clamp unit operates under a specific condition, clamps the reference input section of an analog image signal according to at least one first clamp pulse and fixes the DC bias level of the image signal to a predetermined level. The variable gain amplifier (VGA) amplifies the gain of an image signal clamped by the first clamp unit and outputs the signal whose gain is amplified. The second clamp unit operates under conditions which are not the specific conditions, clamps the reference input section of an image signal whose gain is amplified according to at least one second clamp pulse and adjusts the DC bias level.

Abstract: A clamp circuit and method, which are capable of increasing the dynamic range of an input image signal and minimizing line noise, are provided. A clamp circuit includes a first clamp unit, a variable gain amplifier, a second clamp unit and a clamp controller. The first clamp unit operates under a specific condition, clamps the reference input section of an analog image signal according to at least one first clamp pulse and fixes the DC bias level of the image signal to a predetermined level. The variable gain amplifier (VGA) amplifies the gain of an image signal clamped by the first clamp unit and outputs the signal whose gain is amplified. The second clamp unit operates under conditions which are not the specific conditions, clamps the reference input section of an image signal whose gain is amplified according to at least one second clamp pulse and adjusts the DC bias level.